<?php
/*
 * Copyright (c) 2009 Tom Smith (tom@takeontom.com).
 * 
 * Distributed under the terms of the GNU Lesser General Public License.
 * 
 * ---------------------------------------------------------------------------------
 * 
 * This file is part of Seraph PHP Framework.
 *
 * Seraph PHP Framework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Seraph PHP Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Seraph PHP Framework.  If not, see <http://www.gnu.org/licenses/>.
*/


class MySQLiDBResultIterator implements Iterator	{
	protected $dbResult;
	protected $position = 0;
	
	public function __construct(DBResult $dbResult)	{
		$this->dbResult = $dbResult;
		$this->rewind();
	}
	
	/**
	 * 
	 * @return mysqli_result
	 */
	protected function getRawResult()	{
		return $this->dbResult->getRawResult();
	}

	function rewind() {
		$this->position = 0;
	}

	function current() {
		return $this->dbResult[$this->position];
	}

	function key() {
		return $this->position;
	}

	function next() {
		++$this->position;
	}

	function valid() {
		return isset($this->dbResult[$this->position]);
	}
}
?>